﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;

namespace SyncBingosoftUsers.Utiltiy
{
    class Bytes2Image
    {

        //参数是图片的路径
        public static byte[] GetPictureData(string imagePath)
        {
            FileStream fs = new FileStream(imagePath, FileMode.Open);
            byte[] byteData = new byte[fs.Length];
            fs.Read(byteData, 0, byteData.Length);
            fs.Close();
            return byteData;
        }


        //将Image转换成流数据，并保存为byte[] 
        public static byte[] PhotoImageInsert(System.Drawing.Image imgPhoto)
        {
            MemoryStream mstream = new MemoryStream();
            imgPhoto.Save(mstream, System.Drawing.Imaging.ImageFormat.Bmp);
            byte[] byData = new Byte[mstream.Length];
            mstream.Position = 0;
            mstream.Read(byData, 0, byData.Length); mstream.Close();
            return byData;
        }


        public static System.Drawing.Image ReturnPhoto(byte[] streamByte)
        {
            System.IO.MemoryStream ms = new System.IO.MemoryStream(streamByte);
            System.Drawing.Image img = System.Drawing.Image.FromStream(ms);
            return img;
        }

        //public void WritePhoto(byte[] streamByte)
        //{
        //    // Response.ContentType 的默认值为默认值为“text/html”
        //    Response.ContentType = "image/GIF";
        //    //图片输出的类型有: image/GIF     image/JPEG
        //    Response.BinaryWrite(streamByte);
        //}


    }
}
